Sealing composition

Details Sealing composition Sealing composition

1977-11-02

1978-09-19

McCarthy, Helen M.

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106 398, 106 47R, 106 733, 65155, C03C 312

Patent

active

041151321

ABSTRACT:
A sealing composition which can be suitably used for sealing a panel and a funnel of a color television tube is disclosed. The composition consists essentially of 60 - 99 wt.% of low melting devitrifiable glass powder, 1 - 35 wt.% of lead titanate powder and 0 - 5 wt.% of zircon powder. The glass powder has a composition of 77 - 83 wt.% of PbO, 7 - 10 wt.% of B.sub.2 O.sub.3, 7 - 12 wt.% of ZnO and 1 - 3 wt.% of SiO.sub.2.

REFERENCES:
patent: 2889952 (1959-06-01), Claypoole
patent: 3061664 (1962-10-01), Kegg
patent: 3258350 (1966-06-01), Martin et al.
patent: 3291586 (1966-12-01), Chapman et al.
patent: 3663244 (1972-05-01), Martin
patent: 3954486 (1976-07-01), Francel et al.

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